/* Define constants and variables for communication with parse.y.
Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2000 Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
and by Brendan Kehoe (brendan@cygnus.com).
This file is part of GNU CC.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY. No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing. Refer to the GNU CC General Public
License for full details.
Everyone is granted permission to copy, modify and redistribute
GNU CC, but only under the conditions described in the
GNU CC General Public License. A copy of this license is
supposed to have been given to you along with GNU CC so you
can know your rights and responsibilities. It should be in a
file named COPYING. Among other things, the copyright notice
and this notice must be preserved on all copies. */
#ifndefGCC_CP_LEX_H
#defineGCC_CP_LEX_H
#if 0
/* Formerly, the RID_* values used as mask bits did not fit into a
single 32-bit word. Now they do, but let's preserve the old logic
in case they ever stop fitting again. -zw, 8 Aug 2000 *//* The type that can represent all values of RIDBIT. *//* We assume that we can stick in at least 32 bits into this. */typedefstruct { unsignedlong idata[2]; }
RID_BIT_TYPE;
/* Be careful, all these modify N twice. */
#defineRIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32)) \
& (V).idata[(N)/32])
#defineRIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV))
#defineRIDBIT_SET(N, V) do { \
(V).idata[(N)/32] \
|= ((unsignedlong)1 << (int) ((N)%32)); \
} while (0)
#defineRIDBIT_RESET(N, V) do { \
(V).idata[(N)/32] \
&= ~((unsignedlong)1 << (int) ((N)%32)); \
} while (0)
#defineRIDBIT_RESET_ALL(V) do { \
(V).idata[0] = 0; \
(V).idata[1] = 0; \
} while (0)
#defineRIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1])
#elsetypedefunsignedlong RID_BIT_TYPE; /* assumed at least 32 bits */
#defineRIDBIT_OF(R) ((unsigned long)1 << (int) (R))
#defineRIDBIT_SETP(N, V) ((V) & RIDBIT_OF (N))
#defineRIDBIT_NOTSETP(N, V) (! ((V) & RIDBIT_OF (N)))
#defineRIDBIT_ANY_SET(V) (V)
#defineRIDBIT_SET(N, V) do { (V) |= RIDBIT_OF (N); } while (0)
#defineRIDBIT_RESET(N, V) do { (V) &= ~RIDBIT_OF (N); } while (0)
#defineRIDBIT_RESET_ALL(V) do { (V) = 0; } while (0)
#endif/* the declaration found for the last IDENTIFIER token read in.
yylex must look this up to detect typedefs, which get token type TYPENAME,
so it is left around in case the identifier is not a typedef but is
used in a context which makes it a reference to a variable. */externGTY(()) tree lastiddecl;
/* Back-door communication channel to the lexer. */externint looking_for_typename;
externint looking_for_template;
/* Tell the lexer where to look for names. */externGTY(()) tree got_scope;
externGTY(()) tree got_object;
/* Pending language change.
Positive is push count, negative is pop count. */externint pending_lang_change;
externint yylex PARAMS ((void));
externvoid add_cpp_tree_codes PARAMS ((void));
/* APPLE LOCAL begin Objective-C++ *//* Parser/lexer state pertinent to ObjC++. */externint objc_receiver_context;
externint objc_declarator_context;
externint objc_msg_context;
externint objc_public_flag;
externint objc_need_raw_identifier;
externint objc_pq_context;
#defineOBJC_NEED_RAW_IDENTIFIER(VAL) \
do { if (flag_objc) objc_need_raw_identifier = VAL; } \
while (0)
/* APPLE LOCAL end Objective-C++ */
#endif/* ! GCC_CP_LEX_H */